Focus Diagnostics, a wholly owned subsidiary of Quest Diagnostics, is dedicated to infectious disease diagnostic testing services, products, and information. We are are focused on diagnostic solutions that can help improve the health of patients and populations throughout the world. Our company has continued to create a culture of innovation, quality, and personalized service, and we enjoy a reputation as a resource for infectious disease understanding that goes beyond the test.

Focus Diagnostics offers laboratory testing services and products used by hospitals, commercial laboratories, physicians and public health agencies to assist with the diagnosis, treatment and management of infectious diseases. We also provide clinical diagnostic testing for clinical trials that require complex and exacting diagnostic testing.